An undated file photo of a Suffolk police vehicle. Twelve people were arrested at a sobriety checkpoint in Smithtown, Suffolk County police said. (Credit: Newsday/Alan Raia)

Twelve people were arrested Friday night at a sobriety checkpoint in Smithtown, Suffolk County police said. Police said arrests were made as 655 vehicles went through the checkpoint, which was set up on Route 25. Charged with driving while intoxicated were: Matthew McGuirk, 23, of 21 Rose Ct., Commack; David Lamanga, 28, of 4476 Express Dr., Ronkonkoma; Michael Chwalek, 34, of 11 Kental Lane, Nesconset;...